Differences

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--- en:uboot [2024/04/07 11:46] – [load files] frank
+++ en:uboot [2024/04/07 13:07] (current) – [U-Boot] frank
@@ Line 4: / Line 4: @@
 it needs a bit of time to add all into this page...
+My U-Boot source (with prebuilt binaries in releases):
+https://github.com/frank-w/u-boot/
 ===== board specific pages =====
@@ Line 13: / Line 16: @@
   * [[.:bpi-r4:uboot|BPI-R4]]
-===== load files =====
+my u-boot have builtin environment created by the uEnv_r*.txt which can be overridden by an uEnv.txt file when kernel-files (r2/r64: bananapi/bpi-r*/linux, all others in root) are located on mmc BPI-BOOT partition.
+===== load/write data =====
 listing files (mmc=subsystem, 0=device, 5=partition, folder optional):
@@ Line 24: / Line 28: @@
   fatload mmc 0:5 $loadaddr filename
+most complete page for writing to a device (including nand/nor) is [[.:bpi-r3:uboot|BPI-R3]]
 ==== mmc ====
-all BPI-Router boards
+all BPI-Router boards (R3+R4 have only 1 mmc controller so it is based on hardware switches which is available)
 <code>
@@ Line 162: / Line 168: @@
 drivers/pci/pcie_mediatek_gen3.c:mtk_pcie_startup_port[261] detected a card
 set trans table 0: 0x20000000 0x20000000, 0x10000000
-BPI-R3M> clk dump
- Rate               Usecnt      Name
-------------------------------------------
- 12000000             0        |-- dummy12m
 BPI-R3M> nvme scan
 BPI-R3M> nvme info
@@ Line 192: / Line 194: @@
 IP-adress of server (including the : ) can be omitted, if serverip is set correctly
-===== boot files =====
+===== booting =====
 if the file is at $loadaddr you use it
@@ Line 200: / Line 202: @@
   go $loadaddr
-==== FIT-Image ====
+==== Kernel-Image ====
+BPI-R2 (armhf) uses uImage with appended devicetree, all other boards are using FIT image
+all can be booted with bootm, FIT have bootconfig where 1 can be set as default, so this is optional
   bootm $loadaddr#config
-available configs can be obtained on host-linux with uboot-tools installed (or look in its file when kernel is self-compiled)
+available configs in a FIT can be obtained on host-linux with uboot-tools installed (or look in its file when kernel is self-compiled)
   dumpimage -l bpi-r3.itb